Reference Source

Oxidizing solid, self-heating, n.o.s. · USPS

What is the restriction type for Oxidizing solid, self-heating, n.o.s. · USPS?

For Oxidizing solid, self-heating, n.o.s., carrier is USPS; restriction type is prohibited; scope is domestic mail (air and surface); conditions is Hazard class 5.1, UN3100, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited, recorded from its source on 2026-08-10.

Oxidizing solid, self-heating, n.o.s. 5.1 UN3100 II Prohibited Prohibited

— pe.usps.com, retrieved 2026-08-10

Item or substance
Oxidizing solid, self-heating, n.o.s. verified
Carrier
USPS our reading
Restriction type
prohibited our reading
Scope
domestic mail (air and surface) our reading
Conditions
Hazard class 5.1, UN3100, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited
Sourcepe.usps.com
Verified
Review by
DatasetWhat can be mailed: USPS hazardous materials, plus item rules for post and couriers

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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